#5976AB
Closest named color: Dull Blue (#49759C). oklch(56.6% 0.089 261.9), rgb(89, 118, 171).
Aa
Black text reads best on this color (4.60:1).
About this color
#5976AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.031 away. Black text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #5976AB |
| RGB | rgb(89, 118, 171) |
| HSL | hsl(219, 33%, 51%) |
| OKLCH | oklch(56.6% 0.089 261.9) |
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 #5976AB | 4.56:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #5976AB | 4.60:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #5976AB text on white | 4.56:1 | AA | Lc 71.6 | Content text, not long reading |
| #5976AB text on black | 4.60:1 | AA | Lc -30.1 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B3C1DB
oklch(80.9% 0.04 262.9)
-
Step 400
400
#8BA1C9
oklch(70.6% 0.064 262.3)
-
Step 500
500
#6E8ABC
oklch(63.2% 0.082 261.7)
-
Step 600
600 (this color)
#5976AB
oklch(56.6% 0.089 261.9)
-
Step 700
700
#466090
oklch(49% 0.084 262)
-
Step 800
800
#3A4F75
oklch(42.8% 0.069 261.7)
-
Step 900
900
#32425E
oklch(37.8% 0.053 261.3)
-
Step 950
950
#1D2637
oklch(26.8% 0.034 262.7)
#5976AB 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) | #627AAD | 0.017 |
| Deuteranopia (no green cones) | #5972AA | 0.011 |
| Tritanopia (no blue cones) | #378189 | 0.079 |
| Achromatopsia (no color) | #767676 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5976AB
#5976AB
oklch(56.6% 0.089 261.9)
- #907133
#907133
oklch(56.6% 0.089 82.5)
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 #5976AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.031
- Stormy Blue #507B9C ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.034
- Steel Blue #4682B4 ΔE 0.036
- Cerulean #457B9D ΔE 0.037
- Off Blue #5684AE ΔE 0.039
- Cool Blue #4984B8 ΔE 0.040
- Muted Blue #3B719F ΔE 0.042
Use #5976AB 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.