#224975
Closest named color: Twilight Blue (#0A437A). oklch(40% 0.087 253.2), rgb(34, 73, 117).
Aa
White text reads best on this color (9.21:1).
About this color
#224975 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.087 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.029 away. White text reads best on it, at 9.21:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #224975 |
| RGB | rgb(34, 73, 117) |
| HSL | hsl(212, 55%, 30%) |
| OKLCH | oklch(40% 0.087 253.2) |
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 #224975 | 9.21:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #224975 | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #224975 text on white | 9.21:1 | AAA | Lc 91.0 | Preferred for body text |
| #224975 text on black | 2.27:1 | Fails | Lc -11.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF1
oklch(88.5% 0.036 253.5)
-
Step 300
300
#A3C4EA
oklch(80.9% 0.065 252.2)
-
Step 400
400
#71A4E0
oklch(70.7% 0.104 253.2)
-
Step 500
500
#498CD7
oklch(63.1% 0.133 252.9)
-
Step 600
600
#2974C5
oklch(55.5% 0.145 253.4)
-
Step 700
700
#1B61AA
oklch(49% 0.135 253.3)
-
Step 800
800
#19508A
oklch(42.8% 0.112 253)
-
Step 900
900 (this color)
#224975
oklch(40% 0.087 253.2)
-
Step 950
950
#112740
oklch(26.9% 0.055 253.1)
#224975 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) | #354C77 | 0.024 |
| Deuteranopia (no green cones) | #2A4474 | 0.016 |
| Tritanopia (no blue cones) | #005359 | 0.068 |
| Achromatopsia (no color) | #474747 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224975
#224975
oklch(40% 0.087 253.2)
- #633F00
#633F00
oklch(40% 0.085 72.9)
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 #224975, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.029
- Light Navy #155084 ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.043
- Cobalt #1E488F ΔE 0.044
- Dusk Blue #26538D ΔE 0.047
- Charcoal #264653 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.059
Use #224975 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.