#5979F3
Closest named color: Cornflower (#6A79F7). oklch(61.6% 0.186 269.3), rgb(89, 121, 243).
Aa
Black text reads best on this color (5.45:1).
About this color
#5979F3 is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.186 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.022 away. Black text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #5979F3 |
| RGB | rgb(89, 121, 243) |
| HSL | hsl(228, 87%, 65%) |
| OKLCH | oklch(61.6% 0.186 269.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5979F3 | 3.85:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #5979F3 | 5.45:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #5979F3 text on white | 3.85:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #5979F3 text on black | 5.45:1 | AA | Lc -36.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CBD8FC
oklch(88.4% 0.052 269.6)
-
Step 300
300
#A9BFFC
oklch(81% 0.09 269)
-
Step 400
400
#7C9AFB
oklch(70.6% 0.146 269.4)
-
Step 500
500 (this color)
#5979F3
oklch(61.6% 0.186 269.3)
-
Step 600
600
#4663E7
oklch(55.5% 0.202 269.3)
-
Step 700
700
#3851C9
oklch(49.1% 0.188 269.2)
-
Step 800
800
#2E43A3
oklch(42.7% 0.157 269.2)
-
Step 900
900
#283A81
oklch(37.7% 0.122 269.1)
-
Step 950
950
#18234B
oklch(27.1% 0.075 269.3)
#5979F3 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3389F7 | 0.046 |
| Deuteranopia (no green cones) | #007BF0 | 0.053 |
| Tritanopia (no blue cones) | #0095AB | 0.155 |
| Achromatopsia (no color) | #828282 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5979F3
#5979F3
oklch(61.6% 0.186 269.3)
- #A38000
#A38000
oklch(61.6% 0.126 89.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5979F3, closest first.
No curated palette has a color within ΔE 0.04 of #5979F3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.022
- Clear Blue #247AFD ΔE 0.044
- Soft Blue #6488EA ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.055
- Royal Blue #4169E1 ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.064
- Neon Blue #4361EE ΔE 0.066
Use #5979F3 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.