#2D4960
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.052 244.4), rgb(45, 73, 96).
Aa
White text reads best on this color (9.40:1).
About this color
#2D4960 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.052 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.013 away. White text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.40:1 |
Values
| HEX | #2D4960 |
| RGB | rgb(45, 73, 96) |
| HSL | hsl(207, 36%, 28%) |
| OKLCH | oklch(39.4% 0.052 244.4) |
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 #2D4960 | 9.40:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #2D4960 | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #2D4960 text on white | 9.40:1 | AAA | Lc 91.6 | Preferred for body text |
| #2D4960 text on black | 2.23:1 | Fails | Lc -10.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ACC4D8
oklch(80.9% 0.039 243.3)
-
Step 400
400
#80A5C5
oklch(70.6% 0.062 244.9)
-
Step 500
500
#5F8FB6
oklch(63.1% 0.079 244)
-
Step 600
600
#4478A2
oklch(55.5% 0.086 244.6)
-
Step 700
700
#35658B
oklch(49% 0.081 244.4)
-
Step 800
800
#2D5371
oklch(42.8% 0.066 244.1)
-
Step 900
900 (this color)
#2D4960
oklch(39.4% 0.052 244.4)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#2D4960 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) | #3F4961 | 0.024 |
| Deuteranopia (no green cones) | #394460 | 0.021 |
| Tritanopia (no blue cones) | #144F51 | 0.044 |
| Achromatopsia (no color) | #464646 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4960
#2D4960
oklch(39.4% 0.052 244.4)
- #594027
#594027
oklch(39.3% 0.052 65.4)
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 #2D4960, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.013
- Charcoal #264653 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.040
- Deep Teal #00555A ΔE 0.050
- Dark Teal #014D4E ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.055
- Twilight Blue #0A437A ΔE 0.059
Use #2D4960 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.