#37627D
Closest named color: YInMn Blue (#415A77). oklch(47.7% 0.065 237.8), rgb(55, 98, 125).
Aa
White text reads best on this color (6.55:1).
About this color
#37627D is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.065 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.024 away. White text reads best on it, at 6.55:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #37627D |
| RGB | rgb(55, 98, 125) |
| HSL | hsl(203, 39%, 35%) |
| OKLCH | oklch(47.7% 0.065 237.8) |
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 #37627D | 6.55:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #37627D | 3.20:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #37627D text on white | 6.55:1 | AA | Lc 82.3 | Fine for body text |
| #37627D text on black | 3.20:1 | AA large text | Lc -19.6 | 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 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE3
oklch(88.5% 0.017 236.7)
-
Step 300
300
#AFC4D3
oklch(80.9% 0.031 238.9)
-
Step 400
400
#84A6BD
oklch(70.8% 0.05 238)
-
Step 500
500
#6490AC
oklch(63.2% 0.064 237.1)
-
Step 600
600
#4A7998
oklch(55.5% 0.071 238.7)
-
Step 700
700 (this color)
#37627D
oklch(47.7% 0.065 237.8)
-
Step 800
800
#315369
oklch(42.6% 0.054 238.2)
-
Step 900
900
#2C4555
oklch(37.7% 0.041 237.4)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#37627D 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) | #56617E | 0.038 |
| Deuteranopia (no green cones) | #4C5A7D | 0.033 |
| Tritanopia (no blue cones) | #06696B | 0.052 |
| Achromatopsia (no color) | #5D5D5D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37627D
#37627D
oklch(47.7% 0.065 237.8)
- #785337
#785337
oklch(47.6% 0.065 57.6)
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 #37627D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.024
- Denim #3B638C ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.036
- Slate #516572 ΔE 0.038
- Peacock Blue #016795 ΔE 0.044
- Dusty Grape #545775 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
Use #37627D 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.