#3D4754
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.026 255.1), rgb(61, 71, 84).
Aa
White text reads best on this color (9.42:1).
About this color
#3D4754 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 9.42:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #3D4754 |
| RGB | rgb(61, 71, 84) |
| HSL | hsl(214, 16%, 28%) |
| OKLCH | oklch(39.4% 0.026 255.1) |
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 #3D4754 | 9.42:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #3D4754 | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #3D4754 text on white | 9.42:1 | AAA | Lc 91.8 | Preferred for body text |
| #3D4754 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B9C1CD
oklch(80.8% 0.019 258.4)
-
Step 400
400
#94A2B4
oklch(70.7% 0.031 254.7)
-
Step 500
500
#7A8BA1
oklch(63.1% 0.039 255)
-
Step 600
600
#63758C
oklch(55.6% 0.042 254.7)
-
Step 700
700
#526277
oklch(49.1% 0.039 255.3)
-
Step 800
800
#435061
oklch(42.7% 0.033 255.2)
-
Step 900
900 (this color)
#3D4754
oklch(39.4% 0.026 255.1)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#3D4754 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) | #424755 | 0.008 |
| Deuteranopia (no green cones) | #404554 | 0.007 |
| Tritanopia (no blue cones) | #374A4B | 0.023 |
| Achromatopsia (no color) | #464646 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4754
#3D4754
oklch(39.4% 0.026 255.1)
- #4E4437
#4E4437
oklch(39.3% 0.025 74.2)
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 #3D4754, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.031
- Charcoal Grey #3C4142 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.034
- Onyx #343A40 ΔE 0.051
- Dark Teal #014D4E ΔE 0.057
- Deep Teal #00555A ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #3D4754 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.