#224E97
Closest named color: Cobalt (#1E488F). oklch(43.5% 0.129 260), rgb(34, 78, 151).
Aa
White text reads best on this color (8.06:1).
About this color
#224E97 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.129 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.021 away. White text reads best on it, at 8.06:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #224E97 |
| RGB | rgb(34, 78, 151) |
| HSL | hsl(217, 63%, 36%) |
| OKLCH | oklch(43.5% 0.129 260) |
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 #224E97 | 8.06:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #224E97 | 2.60:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #224E97 text on white | 8.06:1 | AAA | Lc 87.5 | Fine for body text |
| #224E97 text on black | 2.60:1 | Fails | Lc -14.6 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A4C2F2
oklch(80.9% 0.076 259.7)
-
Step 400
400
#73A1EC
oklch(70.7% 0.121 259.8)
-
Step 500
500
#4E87E6
oklch(63.1% 0.156 260)
-
Step 600
600
#326FD4
oklch(55.7% 0.168 260)
-
Step 700
700
#255CB7
oklch(49.1% 0.156 260)
-
Step 800
800 (this color)
#224E97
oklch(43.5% 0.129 260)
-
Step 900
900
#1F4076
oklch(37.7% 0.1 259.8)
-
Step 950
950
#132645
oklch(27.1% 0.063 259.7)
#224E97 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) | #26569A | 0.024 |
| Deuteranopia (no green cones) | #034B96 | 0.020 |
| Tritanopia (no blue cones) | #005F6B | 0.100 |
| Achromatopsia (no color) | #505050 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224E97
#224E97
oklch(43.5% 0.129 260)
- #6B4A00
#6B4A00
oklch(43.4% 0.09 79.3)
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 #224E97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.021
- Dusk Blue #26538D ΔE 0.024
- Light Navy #155084 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.050
- Blueberry #464196 ΔE 0.051
- Twilight #4E518B ΔE 0.058
Use #224E97 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.