#224759
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.052 231.5), rgb(34, 71, 89).
Aa
White text reads best on this color (9.93:1).
About this color
#224759 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.052 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.009 away. White text reads best on it, at 9.93:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.11:1 |
| White text | 9.93:1 |
Values
| HEX | #224759 |
| RGB | rgb(34, 71, 89) |
| HSL | hsl(200, 45%, 24%) |
| OKLCH | oklch(37.9% 0.052 231.5) |
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 #224759 | 9.93:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #224759 | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #224759 text on white | 9.93:1 | AAA | Lc 92.9 | Preferred for body text |
| #224759 text on black | 2.11:1 | Fails | Lc -9.5 | 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
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A8C6D6
oklch(81% 0.039 231.2)
-
Step 400
400
#78A8C1
oklch(70.6% 0.063 231.5)
-
Step 500
500
#5392B2
oklch(63% 0.081 232.1)
-
Step 600
600
#357C9D
oklch(55.6% 0.087 231.4)
-
Step 700
700
#276987
oklch(49.3% 0.081 231.5)
-
Step 800
800
#22556D
oklch(42.6% 0.067 231.8)
-
Step 900
900 (this color)
#224759
oklch(37.9% 0.052 231.5)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#224759 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) | #3E465A | 0.036 |
| Deuteranopia (no green cones) | #364059 | 0.031 |
| Tritanopia (no blue cones) | #004C4D | 0.037 |
| Achromatopsia (no color) | #434343 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224759
#224759
oklch(37.9% 0.052 231.5)
- #583A28
#583A28
oklch(37.9% 0.052 51.6)
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 #224759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.009
- Charcoal #264653 ΔE 0.010
- Dark Teal #014D4E ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.047
- Deep Teal #00555A ΔE 0.047
- Midnight Green #073B4C ΔE 0.050
Use #224759 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.