#2D3D5D
Closest named color: Dark Grey Blue (#29465B). oklch(36.2% 0.06 263.4), rgb(45, 61, 93).
Aa
White text reads best on this color (10.84:1).
About this color
#2D3D5D is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 263°. 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 10.84:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #2D3D5D |
| RGB | rgb(45, 61, 93) |
| HSL | hsl(220, 35%, 27%) |
| OKLCH | oklch(36.2% 0.06 263.4) |
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 #2D3D5D | 10.84:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #2D3D5D | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #2D3D5D text on white | 10.84:1 | AAA | Lc 95.0 | Preferred for body text |
| #2D3D5D text on black | 1.93:1 | Fails | Lc -7.6 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DE
oklch(80.9% 0.044 263.6)
-
Step 400
400
#8AA1CE
oklch(70.8% 0.071 263.6)
-
Step 500
500
#6D89C1
oklch(63.1% 0.091 263.6)
-
Step 600
600
#5572AE
oklch(55.6% 0.1 263.8)
-
Step 700
700
#455F95
oklch(49% 0.093 263.8)
-
Step 800
800
#394E79
oklch(42.7% 0.077 263.7)
-
Step 900
900 (this color)
#2D3D5D
oklch(36.2% 0.06 263.4)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#2D3D5D 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) | #31405E | 0.012 |
| Deuteranopia (no green cones) | #2C3B5C | 0.007 |
| Tritanopia (no blue cones) | #194448 | 0.054 |
| Achromatopsia (no color) | #3D3D3D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3D5D
#2D3D5D
oklch(36.2% 0.06 263.4)
- #4D3A14
#4D3A14
oklch(36.1% 0.06 82)
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 #2D3D5D, 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
- Dark Blue Grey #1F3B4D ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.036
- Charcoal #264653 ΔE 0.039
- Onyx #343A40 ΔE 0.050
- Marine Blue #01386A ΔE 0.050
- Midnight Green #073B4C ΔE 0.050
- Twilight Blue #0A437A ΔE 0.055
Use #2D3D5D 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.