#23435F
Closest named color: Dark Grey Blue (#29465B). oklch(37.2% 0.062 246.8), rgb(35, 67, 95).
Aa
White text reads best on this color (10.29:1).
About this color
#23435F is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.062 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.015 away. White text reads best on it, at 10.29:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.03:1 |
| White text | 10.29:1 |
Values
| HEX | #23435F |
| RGB | rgb(35, 67, 95) |
| HSL | hsl(208, 46%, 25%) |
| OKLCH | oklch(37.2% 0.062 246.8) |
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 #23435F | 10.29:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #23435F | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #23435F text on white | 10.29:1 | AAA | Lc 93.8 | Preferred for body text |
| #23435F text on black | 2.03:1 | Fails | Lc -8.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DD
oklch(80.8% 0.046 246.3)
-
Step 400
400
#7BA5CD
oklch(70.6% 0.075 247.7)
-
Step 500
500
#588FBF
oklch(63.2% 0.093 246.3)
-
Step 600
600
#3B78AC
oklch(55.6% 0.103 246.7)
-
Step 700
700
#2D6594
oklch(49.2% 0.096 246.7)
-
Step 800
800
#275278
oklch(42.6% 0.08 247.6)
-
Step 900
900 (this color)
#23435F
oklch(37.2% 0.062 246.8)
-
Step 950
950
#162838
oklch(26.9% 0.038 246.6)
#23435F 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) | #374460 | 0.026 |
| Deuteranopia (no green cones) | #2F3E5E | 0.020 |
| Tritanopia (no blue cones) | #004A4D | 0.050 |
| Achromatopsia (no color) | #404040 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23435F
#23435F
oklch(37.2% 0.062 246.8)
- #563919
#563919
oklch(37.1% 0.062 66.5)
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 #23435F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.015
- Charcoal #264653 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.046
- Midnight Green #073B4C ΔE 0.048
- Twilight Blue #0A437A ΔE 0.049
- Marine Blue #01386A ΔE 0.052
- Dark Teal #014D4E ΔE 0.055
Use #23435F 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.