#2D4568
Closest named color: Dark Grey Blue (#29465B). oklch(38.8% 0.067 257.7), rgb(45, 69, 104).
Aa
White text reads best on this color (9.70:1).
About this color
#2D4568 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.067 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 9.70:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #2D4568 |
| RGB | rgb(45, 69, 104) |
| HSL | hsl(216, 40%, 29%) |
| OKLCH | oklch(38.8% 0.067 257.7) |
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 #2D4568 | 9.70:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #2D4568 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #2D4568 text on white | 9.70:1 | AAA | Lc 92.4 | Preferred for body text |
| #2D4568 text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E2
oklch(80.9% 0.051 258.7)
-
Step 400
400
#81A2D3
oklch(70.6% 0.081 258.1)
-
Step 500
500
#618BC7
oklch(63.1% 0.102 257.3)
-
Step 600
600
#4874B4
oklch(55.7% 0.111 257.7)
-
Step 700
700
#39619B
oklch(49.1% 0.104 257.7)
-
Step 800
800
#2F4F7D
oklch(42.6% 0.086 257.5)
-
Step 900
900 (this color)
#2D4568
oklch(38.8% 0.067 257.7)
-
Step 950
950
#19273B
oklch(27% 0.042 257.3)
#2D4568 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) | #374769 | 0.015 |
| Deuteranopia (no green cones) | #304267 | 0.009 |
| Tritanopia (no blue cones) | #0C4D52 | 0.059 |
| Achromatopsia (no color) | #444444 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4568
#2D4568
oklch(38.8% 0.067 257.7)
- #583F15
#583F15
oklch(38.7% 0.067 77.2)
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 #2D4568, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Charcoal #264653 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.043
- Light Navy #155084 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.058
- Marine Blue #01386A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.060
Use #2D4568 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.