#2D3954
Closest named color: Dark Blue Grey (#1F3B4D). oklch(34.7% 0.05 265.5), rgb(45, 57, 84).
Aa
White text reads best on this color (11.50:1).
About this color
#2D3954 is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.050 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.024 away. White text reads best on it, at 11.50:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.82:1 |
| White text | 11.50:1 |
Values
| HEX | #2D3954 |
| RGB | rgb(45, 57, 84) |
| HSL | hsl(222, 30%, 25%) |
| OKLCH | oklch(34.7% 0.05 265.5) |
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 #2D3954 | 11.50:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #2D3954 | 1.82:1 | Fails | Lc 7.4 | Not readable |
| #2D3954 text on white | 11.50:1 | AAA | Lc 96.5 | Preferred for body text |
| #2D3954 text on black | 1.82:1 | Fails | Lc 0.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E7
oklch(88.4% 0.021 264.5)
-
Step 300
300
#B5C1DA
oklch(81% 0.038 265.1)
-
Step 400
400
#8FA0C7
oklch(70.6% 0.06 266.4)
-
Step 500
500
#7389B9
oklch(63.2% 0.077 265.3)
-
Step 600
600
#5C72A5
oklch(55.6% 0.084 265.9)
-
Step 700
700
#4B5F8D
oklch(49% 0.078 265.7)
-
Step 800
800
#3E4E73
oklch(42.7% 0.065 265.8)
-
Step 900
900 (this color)
#2D3954
oklch(34.7% 0.05 265.5)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#2D3954 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) | #2F3B55 | 0.007 |
| Deuteranopia (no green cones) | #2B3853 | 0.005 |
| Tritanopia (no blue cones) | #1F3F43 | 0.045 |
| Achromatopsia (no color) | #393939 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3954
#2D3954
oklch(34.7% 0.05 265.5)
- #453819
#453819
oklch(34.7% 0.05 86.9)
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 #2D3954, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.027
- Gunmetal #293241 ΔE 0.037
- Onyx #343A40 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.040
- Midnight Green #073B4C ΔE 0.042
- Charcoal #264653 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
Use #2D3954 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.