#39436E
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.074 272.7), rgb(57, 67, 110).
Aa
White text reads best on this color (9.53:1).
About this color
#39436E is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.043 away. White text reads best on it, at 9.53:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #39436E |
| RGB | rgb(57, 67, 110) |
| HSL | hsl(229, 32%, 33%) |
| OKLCH | oklch(39.5% 0.074 272.7) |
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 #39436E | 9.53:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #39436E | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #39436E text on white | 9.53:1 | AAA | Lc 92.0 | Preferred for body text |
| #39436E text on black | 2.20:1 | Fails | Lc -10.4 | Not readable |
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 900.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B4BFE5
oklch(80.9% 0.055 272.4)
-
Step 400
400
#8E9DD8
oklch(70.7% 0.088 273)
-
Step 500
500
#7284CE
oklch(63.1% 0.114 272.4)
-
Step 600
600
#5C6CBB
oklch(55.5% 0.124 273.1)
-
Step 700
700
#4B5AA1
oklch(49% 0.115 272.5)
-
Step 800
800
#3E4A83
oklch(42.7% 0.095 272.8)
-
Step 900
900 (this color)
#39436E
oklch(39.5% 0.074 272.7)
-
Step 950
950
#1F253D
oklch(27.1% 0.046 272.4)
#39436E 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) | #334870 | 0.016 |
| Deuteranopia (no green cones) | #2E436D | 0.015 |
| Tritanopia (no blue cones) | #264C53 | 0.066 |
| Achromatopsia (no color) | #454545 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39436E
#39436E
oklch(39.5% 0.074 272.7)
- #54450C
#54450C
oklch(39.5% 0.074 93.2)
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 #39436E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.043
- Twilight Blue #0A437A ΔE 0.048
- Light Navy #155084 ΔE 0.054
- Charcoal #264653 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.059
- Cobalt #1E488F ΔE 0.060
- Deep Sea Blue #015482 ΔE 0.063
- Dusk Blue #26538D ΔE 0.063
Use #39436E 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.