#244657
Closest named color: Charcoal (#264653). oklch(37.6% 0.049 231.8), rgb(36, 70, 87).
Aa
White text reads best on this color (10.05:1).
About this color
#244657 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.007 away. White text reads best on it, at 10.05:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #244657 |
| RGB | rgb(36, 70, 87) |
| HSL | hsl(200, 41%, 24%) |
| OKLCH | oklch(37.6% 0.049 231.8) |
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 #244657 | 10.05:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #244657 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #244657 text on white | 10.05:1 | AAA | Lc 93.2 | Preferred for body text |
| #244657 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7BA8BF
oklch(70.7% 0.059 230.8)
-
Step 500
500
#5892AF
oklch(63.2% 0.075 231.4)
-
Step 600
600
#3B7C9B
oklch(55.7% 0.082 231.5)
-
Step 700
700
#2C6884
oklch(49% 0.076 231.4)
-
Step 800
800
#26556C
oklch(42.7% 0.064 232.2)
-
Step 900
900 (this color)
#244657
oklch(37.6% 0.049 231.8)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#244657 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) | #3E4558 | 0.034 |
| Deuteranopia (no green cones) | #364057 | 0.028 |
| Tritanopia (no blue cones) | #014B4C | 0.037 |
| Achromatopsia (no color) | #424242 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244657
#244657
oklch(37.6% 0.049 231.8)
- #563A29
#563A29
oklch(37.6% 0.048 52)
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 #244657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.007
- Dark Grey Blue #29465B ΔE 0.009
- Dark Blue Grey #1F3B4D ΔE 0.038
- Dark Teal #014D4E ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.043
- Onyx #343A40 ΔE 0.048
- Midnight Green #073B4C ΔE 0.048
Use #244657 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.