#245166
Closest named color: Deep Teal (#00555A). oklch(41.3% 0.06 230.9), rgb(36, 81, 102).
Aa
White text reads best on this color (8.59:1).
About this color
#245166 is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.060 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.034 away. White text reads best on it, at 8.59:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.44:1 |
| White text | 8.59:1 |
Values
| HEX | #245166 |
| RGB | rgb(36, 81, 102) |
| HSL | hsl(199, 48%, 27%) |
| OKLCH | oklch(41.3% 0.06 230.9) |
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 #245166 | 8.59:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #245166 | 2.44:1 | Fails | Lc 14.6 | Not readable |
| #245166 text on white | 8.59:1 | AAA | Lc 89.4 | Fine for body text |
| #245166 text on black | 2.44:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#AAC5D4
oklch(80.8% 0.036 232.2)
-
Step 400
400
#7DA8BE
oklch(70.8% 0.056 230.8)
-
Step 500
500
#5A92AD
oklch(63.2% 0.072 230.3)
-
Step 600
600
#3D7C99
oklch(55.7% 0.079 230.3)
-
Step 700
700
#2F6883
oklch(49.1% 0.073 231.5)
-
Step 800
800 (this color)
#245166
oklch(41.3% 0.06 230.9)
-
Step 900
900
#254656
oklch(37.6% 0.047 230.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#245166 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) | #465067 | 0.041 |
| Deuteranopia (no green cones) | #3D4966 | 0.036 |
| Tritanopia (no blue cones) | #005758 | 0.040 |
| Achromatopsia (no color) | #4C4C4C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245166
#245166
oklch(41.3% 0.06 230.9)
- #65412C
#65412C
oklch(41.2% 0.06 50.7)
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 #245166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.038
- Charcoal #264653 ΔE 0.041
- Petrol #005F6A ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.047
- Dark Teal #014D4E ΔE 0.049
- YInMn Blue #415A77 ΔE 0.052
Use #245166 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.