#5F79E5
Closest named color: Cornflower (#6A79F7). oklch(61% 0.165 270.6), rgb(95, 121, 229).
Aa
Black text reads best on this color (5.35:1).
About this color
#5F79E5 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.165 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.031 away. Black text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #5F79E5 |
| RGB | rgb(95, 121, 229) |
| HSL | hsl(228, 72%, 64%) |
| OKLCH | oklch(61% 0.165 270.6) |
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 #5F79E5 | 3.92:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #5F79E5 | 5.35:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #5F79E5 text on white | 3.92:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #5F79E5 text on black | 5.35:1 | AA | Lc -35.3 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#ADBEF6
oklch(80.8% 0.082 271.4)
-
Step 400
400
#829BF1
oklch(70.6% 0.129 270.5)
-
Step 500
500 (this color)
#5F79E5
oklch(61% 0.165 270.6)
-
Step 600
600
#4E66DB
oklch(55.6% 0.18 270.7)
-
Step 700
700
#3F54BE
oklch(49.1% 0.168 270.6)
-
Step 800
800
#344599
oklch(42.6% 0.138 270.8)
-
Step 900
900
#2D3B7A
oklch(37.6% 0.108 271)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#5F79E5 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) | #4487E9 | 0.041 |
| Deuteranopia (no green cones) | #2F7BE3 | 0.044 |
| Tritanopia (no blue cones) | #0091A4 | 0.145 |
| Achromatopsia (no color) | #808080 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F79E5
#5F79E5
oklch(61% 0.165 270.6)
- #9F7F00
#9F7F00
oklch(61% 0.125 91)
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 #5F79E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.031
- Soft Blue #6488EA ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.055
- Royal Blue #4169E1 ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.057
- Clear Blue #247AFD ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.072
Use #5F79E5 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.