#3D4753
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.024 253.1), rgb(61, 71, 83).
Aa
White text reads best on this color (9.43:1).
About this color
#3D4753 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 9.43:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.22:1 |
| White text | 9.43:1 |
Values
| HEX | #3D4753 |
| RGB | rgb(61, 71, 83) |
| HSL | hsl(213, 15%, 28%) |
| OKLCH | oklch(39.4% 0.024 253.1) |
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 #3D4753 | 9.43:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #3D4753 | 2.22:1 | Fails | Lc 12.1 | Not readable |
| #3D4753 text on white | 9.43:1 | AAA | Lc 91.8 | Preferred for body text |
| #3D4753 text on black | 2.22:1 | Fails | Lc -10.6 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D5DAE0
oklch(88.6% 0.01 252.8)
-
Step 300
300
#B9C2CC
oklch(81% 0.017 250.9)
-
Step 400
400
#94A2B3
oklch(70.7% 0.03 253.3)
-
Step 500
500
#7A8BA0
oklch(63.1% 0.037 253.8)
-
Step 600
600
#63758B
oklch(55.6% 0.04 253.6)
-
Step 700
700
#526276
oklch(49% 0.038 254.2)
-
Step 800
800
#435060
oklch(42.6% 0.031 253.8)
-
Step 900
900 (this color)
#3D4753
oklch(39.4% 0.024 253.1)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#3D4753 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) | #434754 | 0.010 |
| Deuteranopia (no green cones) | #404553 | 0.007 |
| Tritanopia (no blue cones) | #374A4B | 0.021 |
| Achromatopsia (no color) | #464646 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4753
#3D4753
oklch(39.4% 0.024 253.1)
- #4E4438
#4E4438
oklch(39.3% 0.024 72.1)
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 #3D4753, 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 Grey #3C4142 ΔE 0.030
- Charcoal #264653 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.033
- Onyx #343A40 ΔE 0.050
- Dark Teal #014D4E ΔE 0.057
- Deep Teal #00555A ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #3D4753 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.