#224B7E
Closest named color: Light Navy (#155084). oklch(41.1% 0.097 255.2), rgb(34, 75, 126).
Aa
White text reads best on this color (8.83:1).
About this color
#224B7E is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.097 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.017 away. White text reads best on it, at 8.83:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #224B7E |
| RGB | rgb(34, 75, 126) |
| HSL | hsl(213, 58%, 31%) |
| OKLCH | oklch(41.1% 0.097 255.2) |
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 #224B7E | 8.83:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #224B7E | 2.37:1 | Fails | Lc 14.0 | Not readable |
| #224B7E text on white | 8.83:1 | AAA | Lc 90.0 | Fine for body text |
| #224B7E text on black | 2.37:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E6
oklch(81% 0.057 255.9)
-
Step 400
400
#7AA3D9
oklch(70.7% 0.091 255.6)
-
Step 500
500
#578BCF
oklch(63% 0.117 255.7)
-
Step 600
600
#3B74BC
oklch(55.6% 0.128 255.4)
-
Step 700
700
#2D61A2
oklch(49% 0.118 255.4)
-
Step 800
800 (this color)
#224B7E
oklch(41.1% 0.097 255.2)
-
Step 900
900
#244269
oklch(37.6% 0.076 255.7)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#224B7E 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) | #344F80 | 0.024 |
| Deuteranopia (no green cones) | #25467D | 0.014 |
| Tritanopia (no blue cones) | #00575E | 0.076 |
| Achromatopsia (no color) | #4A4A4A | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #224B7E
#224B7E
oklch(41.1% 0.097 255.2)
- #654300
#654300
oklch(41.1% 0.086 76.1)
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 #224B7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.017
- Deep Sea Blue #015482 ΔE 0.028
- Cobalt #1E488F ΔE 0.031
- Twilight Blue #0A437A ΔE 0.032
- Dusk Blue #26538D ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.063
Use #224B7E 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.