#23486B
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.073 249), rgb(35, 72, 107).
Aa
White text reads best on this color (9.49:1).
About this color
#23486B is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 9.49:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #23486B |
| RGB | rgb(35, 72, 107) |
| HSL | hsl(209, 51%, 28%) |
| OKLCH | oklch(39.2% 0.073 249) |
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 #23486B | 9.49:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #23486B | 2.21:1 | Fails | Lc 12.2 | Not readable |
| #23486B text on white | 9.49:1 | AAA | Lc 91.8 | Preferred for body text |
| #23486B text on black | 2.21:1 | Fails | Lc -10.6 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADBED
oklch(88.4% 0.031 249.7)
-
Step 300
300
#A6C4E3
oklch(80.9% 0.055 249.4)
-
Step 400
400
#75A5D5
oklch(70.6% 0.088 249.2)
-
Step 500
500
#4F8ECA
oklch(63.1% 0.112 249)
-
Step 600
600
#3077B7
oklch(55.6% 0.122 249)
-
Step 700
700
#22649E
oklch(49.1% 0.114 249)
-
Step 800
800
#1E5280
oklch(42.8% 0.094 248.7)
-
Step 900
900 (this color)
#23486B
oklch(39.2% 0.073 249)
-
Step 950
950
#13283C
oklch(27% 0.046 248.8)
#23486B 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) | #39496D | 0.027 |
| Deuteranopia (no green cones) | #2F426A | 0.021 |
| Tritanopia (no blue cones) | #005054 | 0.058 |
| Achromatopsia (no color) | #464646 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23486B
#23486B
oklch(39.2% 0.073 249)
- #5F3D12
#5F3D12
oklch(39.1% 0.074 68.3)
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 #23486B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Twilight Blue #0A437A ΔE 0.037
- Charcoal #264653 ΔE 0.041
- Light Navy #155084 ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.047
- Marine Blue #01386A ΔE 0.060
- Deep Teal #00555A ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.060
Use #23486B 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.