#3E475F
Closest named color: Dark Grey Blue (#29465B). oklch(40% 0.042 268.5), rgb(62, 71, 95).
Aa
White text reads best on this color (9.24:1).
About this color
#3E475F is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.042 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 9.24:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #3E475F |
| RGB | rgb(62, 71, 95) |
| HSL | hsl(224, 21%, 31%) |
| OKLCH | oklch(40% 0.042 268.5) |
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 #3E475F | 9.24:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #3E475F | 2.27:1 | Fails | Lc 12.6 | Not readable |
| #3E475F text on white | 9.24:1 | AAA | Lc 91.3 | Preferred for body text |
| #3E475F text on black | 2.27:1 | Fails | Lc -11.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B8C0D6
oklch(80.9% 0.032 269.8)
-
Step 400
400
#93A0C1
oklch(70.7% 0.051 268.2)
-
Step 500
500
#7988B2
oklch(63.1% 0.066 269.2)
-
Step 600
600
#62729D
oklch(55.6% 0.07 268.4)
-
Step 700
700
#515F86
oklch(49% 0.065 268.8)
-
Step 800
800
#424E6D
oklch(42.7% 0.054 267.8)
-
Step 900
900 (this color)
#3E475F
oklch(40% 0.042 268.5)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#3E475F 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) | #3F4960 | 0.006 |
| Deuteranopia (no green cones) | #3C465E | 0.005 |
| Tritanopia (no blue cones) | #354C4F | 0.039 |
| Achromatopsia (no color) | #474747 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E475F
#3E475F
oklch(40% 0.042 268.5)
- #51472D
#51472D
oklch(40.1% 0.042 89.3)
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 #3E475F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Charcoal #264653 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.049
- Onyx #343A40 ΔE 0.063
- YInMn Blue #415A77 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.066
- Deep Teal #00555A ΔE 0.066
Use #3E475F 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.