#53759E
Closest named color: Dull Blue (#49759C). oklch(55.4% 0.075 253.6), rgb(83, 117, 158).
Aa
White text reads best on this color (4.76:1).
About this color
#53759E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.075 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.012 away. White text reads best on it, at 4.76:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #53759E |
| RGB | rgb(83, 117, 158) |
| HSL | hsl(213, 31%, 47%) |
| OKLCH | oklch(55.4% 0.075 253.6) |
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 #53759E | 4.76:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #53759E | 4.40:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #53759E text on white | 4.76:1 | AA | Lc 73.0 | Content text, not long reading |
| #53759E text on black | 4.40:1 | AA large text | Lc -28.7 | 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
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B2C2D7
oklch(80.9% 0.035 255.2)
-
Step 400
400
#89A3C2
oklch(70.7% 0.054 253)
-
Step 500
500
#6C8CB3
oklch(63.1% 0.069 253.7)
-
Step 600
600 (this color)
#53759E
oklch(55.4% 0.075 253.6)
-
Step 700
700
#446388
oklch(49.2% 0.07 253.5)
-
Step 800
800
#38516E
oklch(42.8% 0.057 252.8)
-
Step 900
900
#314359
oklch(37.7% 0.044 253.8)
-
Step 950
950
#1D2734
oklch(26.9% 0.028 255.2)
#53759E 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) | #6577A0 | 0.024 |
| Deuteranopia (no green cones) | #5C6F9D | 0.019 |
| Tritanopia (no blue cones) | #347E83 | 0.065 |
| Achromatopsia (no color) | #737373 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53759E
#53759E
oklch(55.4% 0.075 253.6)
- #8D6C3E
#8D6C3E
oklch(55.4% 0.076 74.3)
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 #53759E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.012
- Stormy Blue #507B9C ΔE 0.019
- Cerulean #457B9D ΔE 0.022
- Metallic Blue #4F738E ΔE 0.026
- Muted Blue #3B719F ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.030
- Steel Blue #4682B4 ΔE 0.044
- Grey Blue #647D8E ΔE 0.045
Use #53759E 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.