#2D3A49
Closest named color: Dark Blue Grey (#1F3B4D). oklch(34.3% 0.032 252.3), rgb(45, 58, 73).
Aa
White text reads best on this color (11.58:1).
About this color
#2D3A49 is a dark, muted blue. In OKLCH its lightness is 34%, its chroma 0.032 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.018 away. White text reads best on it, at 11.58:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.81:1 |
| White text | 11.58:1 |
Values
| HEX | #2D3A49 |
| RGB | rgb(45, 58, 73) |
| HSL | hsl(212, 24%, 23%) |
| OKLCH | oklch(34.3% 0.032 252.3) |
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 #2D3A49 | 11.58:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #2D3A49 | 1.81:1 | Fails | Lc 0.0 | Not readable |
| #2D3A49 text on white | 11.58:1 | AAA | Lc 96.6 | Preferred for body text |
| #2D3A49 text on black | 1.81:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D0
oklch(80.9% 0.024 252.2)
-
Step 400
400
#90A3B8
oklch(70.8% 0.038 251)
-
Step 500
500
#758CA7
oklch(63.2% 0.049 252.7)
-
Step 600
600
#5D7692
oklch(55.7% 0.053 251.6)
-
Step 700
700
#4D637C
oklch(49.2% 0.048 252)
-
Step 800
800
#3F5165
oklch(42.8% 0.04 251.4)
-
Step 900
900 (this color)
#2D3A49
oklch(34.3% 0.032 252.3)
-
Step 950
950
#1F2730
oklch(26.9% 0.02 251.6)
#2D3A49 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) | #343A4A | 0.011 |
| Deuteranopia (no green cones) | #313849 | 0.008 |
| Tritanopia (no blue cones) | #243D3F | 0.027 |
| Achromatopsia (no color) | #393939 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3A49
#2D3A49
oklch(34.3% 0.032 252.3)
- #433627
#433627
oklch(34.3% 0.031 70.5)
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 #2D3A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.018
- Onyx #343A40 ΔE 0.018
- Gunmetal #293241 ΔE 0.028
- Midnight Green #073B4C ΔE 0.036
- Charcoal #264653 ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.042
Use #2D3A49 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.