#5976D6
Closest named color: Royal Blue (#4169E1). oklch(59.1% 0.15 268.8), rgb(89, 118, 214).
Aa
Black text reads best on this color (4.98:1).
About this color
#5976D6 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.150 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.050 away. Black text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #5976D6 |
| RGB | rgb(89, 118, 214) |
| HSL | hsl(226, 60%, 59%) |
| OKLCH | oklch(59.1% 0.15 268.8) |
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 #5976D6 | 4.21:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #5976D6 | 4.98:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #5976D6 text on white | 4.21:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #5976D6 text on black | 4.98:1 | AA | Lc -32.8 | 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 600.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F3
oklch(88.6% 0.037 268.9)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#859DE4
oklch(70.6% 0.108 269.3)
-
Step 500
500
#6784DD
oklch(63.2% 0.138 268.6)
-
Step 600
600 (this color)
#5976D6
oklch(59.1% 0.15 268.8)
-
Step 700
700
#4159AF
oklch(49.1% 0.14 269)
-
Step 800
800
#35498E
oklch(42.7% 0.116 268.9)
-
Step 900
900
#2E3E71
oklch(37.7% 0.09 268.7)
-
Step 950
950
#1B2542
oklch(27.1% 0.056 268.2)
#5976D6 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) | #4A81DA | 0.030 |
| Deuteranopia (no green cones) | #3876D4 | 0.033 |
| Tritanopia (no blue cones) | #008B9B | 0.132 |
| Achromatopsia (no color) | #7B7B7B | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5976D6
#5976D6
oklch(59.1% 0.15 268.8)
- #9A7800
#9A7800
oklch(58.9% 0.12 88.8)
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 #5976D6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.050
- Windows Blue #3778BF ΔE 0.051
- Cornflower #6A79F7 ΔE 0.055
- Soft Blue #6488EA ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.063
- Water Blue #0E87CC ΔE 0.067
- Medium Slate Blue #7B68EE ΔE 0.067
Use #5976D6 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.