#53779E
Closest named color: Stormy Blue (#507B9C). oklch(55.8% 0.074 251.2), rgb(83, 119, 158).
Aa
White text reads best on this color (4.66:1).
About this color
#53779E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.074 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.013 away. White text reads best on it, at 4.66:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #53779E |
| RGB | rgb(83, 119, 158) |
| HSL | hsl(211, 31%, 47%) |
| OKLCH | oklch(55.8% 0.074 251.2) |
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 #53779E | 4.66:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #53779E | 4.50:1 | AA | Lc 31.7 | Non-text elements, placeholder text |
| #53779E text on white | 4.66:1 | AA | Lc 72.3 | Content text, not long reading |
| #53779E text on black | 4.50:1 | AA | Lc -29.3 | Dividers and decoration only |
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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B1C3D6
oklch(81% 0.033 249.7)
-
Step 400
400
#89A3C1
oklch(70.6% 0.053 252.2)
-
Step 500
500
#6B8DB2
oklch(63.2% 0.068 251)
-
Step 600
600 (this color)
#53779E
oklch(55.8% 0.074 251.2)
-
Step 700
700
#436386
oklch(49% 0.068 251.5)
-
Step 800
800
#37516D
oklch(42.6% 0.057 251)
-
Step 900
900
#304358
oklch(37.6% 0.044 251.5)
-
Step 950
950
#1C2734
oklch(26.9% 0.029 253)
#53779E 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) | #6878A0 | 0.027 |
| Deuteranopia (no green cones) | #5E719D | 0.020 |
| Tritanopia (no blue cones) | #338084 | 0.064 |
| Achromatopsia (no color) | #747474 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53779E
#53779E
oklch(55.8% 0.074 251.2)
- #8F6D42
#8F6D42
oklch(55.9% 0.073 71.9)
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 #53779E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.013
- Dull Blue #49759C ΔE 0.014
- Cerulean #457B9D ΔE 0.018
- Metallic Blue #4F738E ΔE 0.026
- Flat Blue #3C73A8 ΔE 0.033
- Muted Blue #3B719F ΔE 0.033
- Steel Blue #4682B4 ΔE 0.040
- Off Blue #5684AE ΔE 0.040
Use #53779E 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.