#244A66
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.064 242.7), rgb(36, 74, 102).
Aa
White text reads best on this color (9.34:1).
About this color
#244A66 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.020 away. White text reads best on it, at 9.34:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #244A66 |
| RGB | rgb(36, 74, 102) |
| HSL | hsl(205, 48%, 27%) |
| OKLCH | oklch(39.5% 0.064 242.7) |
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 #244A66 | 9.34:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #244A66 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #244A66 text on white | 9.34:1 | AAA | Lc 91.4 | Preferred for body text |
| #244A66 text on black | 2.24:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A6C5DE
oklch(80.9% 0.049 242.6)
-
Step 400
400
#75A7CD
oklch(70.7% 0.077 241.9)
-
Step 500
500
#4F90C0
oklch(63% 0.099 242.5)
-
Step 600
600
#307AAD
oklch(55.7% 0.107 242.5)
-
Step 700
700
#226694
oklch(49% 0.099 242.7)
-
Step 800
800
#1E5378
oklch(42.5% 0.083 242.8)
-
Step 900
900 (this color)
#244A66
oklch(39.5% 0.064 242.7)
-
Step 950
950
#132939
oklch(27.1% 0.041 242)
#244A66 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) | #3E4A67 | 0.032 |
| Deuteranopia (no green cones) | #354465 | 0.025 |
| Tritanopia (no blue cones) | #005154 | 0.049 |
| Achromatopsia (no color) | #474747 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244A66
#244A66
oklch(39.5% 0.064 242.7)
- #5F3E1F
#5F3E1F
oklch(39.5% 0.065 62.3)
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 #244A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.020
- Charcoal #264653 ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.048
- Twilight Blue #0A437A ΔE 0.048
- Deep Teal #00555A ΔE 0.049
- Light Navy #155084 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.050
- Dark Teal #014D4E ΔE 0.053
Use #244A66 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.