#2D404A
Closest named color: Charcoal (#264653). oklch(36% 0.03 231.6), rgb(45, 64, 74).
Aa
White text reads best on this color (10.80:1).
About this color
#2D404A is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Charcoal (#264653), ΔE 0.021 away. White text reads best on it, at 10.80:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Charcoal (#264653) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #2D404A |
| RGB | rgb(45, 64, 74) |
| HSL | hsl(201, 24%, 23%) |
| OKLCH | oklch(36% 0.03 231.6) |
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 #2D404A | 10.80:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #2D404A | 1.94:1 | Fails | Lc 8.9 | Not readable |
| #2D404A text on white | 10.80:1 | AAA | Lc 95.0 | Preferred for body text |
| #2D404A text on black | 1.94:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CD
oklch(81% 0.023 230.6)
-
Step 400
400
#8BA5B3
oklch(70.7% 0.035 231.5)
-
Step 500
500
#6E8FA1
oklch(63.2% 0.046 232.3)
-
Step 600
600
#55798C
oklch(55.6% 0.05 231.8)
-
Step 700
700
#456676
oklch(49.1% 0.046 229.8)
-
Step 800
800
#395360
oklch(42.7% 0.038 230.4)
-
Step 900
900 (this color)
#2D404A
oklch(36% 0.03 231.6)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#2D404A 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) | #3B3F4B | 0.021 |
| Deuteranopia (no green cones) | #373C4A | 0.019 |
| Tritanopia (no blue cones) | #234343 | 0.022 |
| Achromatopsia (no color) | #3D3D3D | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D404A
#2D404A
oklch(36% 0.03 231.6)
- #4A392F
#4A392F
oklch(36% 0.029 51.9)
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 #2D404A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.021
- Onyx #343A40 ΔE 0.023
- Charcoal Grey #3C4142 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.030
- Midnight Green #073B4C ΔE 0.042
- Gunmetal #293241 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.049
Use #2D404A 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.