#2D456D
Closest named color: Dark Grey Blue (#29465B). oklch(39.1% 0.075 260.2), rgb(45, 69, 109).
Aa
White text reads best on this color (9.61:1).
About this color
#2D456D is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.075 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 9.61:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #2D456D |
| RGB | rgb(45, 69, 109) |
| HSL | hsl(218, 42%, 30%) |
| OKLCH | oklch(39.1% 0.075 260.2) |
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 #2D456D | 9.61:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #2D456D | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #2D456D text on white | 9.61:1 | AAA | Lc 92.1 | Preferred for body text |
| #2D456D text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ACC2E5
oklch(80.9% 0.055 259.6)
-
Step 400
400
#80A2D9
oklch(70.8% 0.089 259.8)
-
Step 500
500
#6089CE
oklch(63% 0.114 260.4)
-
Step 600
600
#4672BB
oklch(55.5% 0.124 260)
-
Step 700
700
#385FA2
oklch(49.1% 0.117 260.5)
-
Step 800
800
#2F4E83
oklch(42.7% 0.096 260.5)
-
Step 900
900 (this color)
#2D456D
oklch(39.1% 0.075 260.2)
-
Step 950
950
#19263D
oklch(26.9% 0.047 261.3)
#2D456D 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) | #35486F | 0.015 |
| Deuteranopia (no green cones) | #2D426C | 0.009 |
| Tritanopia (no blue cones) | #034E54 | 0.066 |
| Achromatopsia (no color) | #454545 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D456D
#2D456D
oklch(39.1% 0.075 260.2)
- #5A400B
#5A400B
oklch(39.1% 0.075 80)
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 #2D456D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Twilight Blue #0A437A ΔE 0.037
- Light Navy #155084 ΔE 0.046
- Charcoal #264653 ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.053
- Cobalt #1E488F ΔE 0.057
- Marine Blue #01386A ΔE 0.059
- Dusk Blue #26538D ΔE 0.061
Use #2D456D 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.