#2A4880
Closest named color: Light Navy (#155084). oklch(40.9% 0.101 261.7), rgb(42, 72, 128).
Aa
White text reads best on this color (8.98:1).
About this color
#2A4880 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.101 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.026 away. White text reads best on it, at 8.98:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #2A4880 |
| RGB | rgb(42, 72, 128) |
| HSL | hsl(219, 51%, 33%) |
| OKLCH | oklch(40.9% 0.101 261.7) |
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 #2A4880 | 8.98:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #2A4880 | 2.33:1 | Fails | Lc 13.6 | Not readable |
| #2A4880 text on white | 8.98:1 | AAA | Lc 90.4 | Preferred for body text |
| #2A4880 text on black | 2.33:1 | Fails | Lc -11.9 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ACC1E7
oklch(80.8% 0.059 262.3)
-
Step 400
400
#80A1DC
oklch(70.7% 0.094 261.7)
-
Step 500
500
#6088D2
oklch(63% 0.121 261.9)
-
Step 600
600
#4771BF
oklch(55.6% 0.13 261.7)
-
Step 700
700
#385EA5
oklch(49% 0.122 261.7)
-
Step 800
800 (this color)
#2A4880
oklch(40.9% 0.101 261.7)
-
Step 900
900
#2A416B
oklch(37.8% 0.078 261.6)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#2A4880 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) | #2E4D82 | 0.016 |
| Deuteranopia (no green cones) | #21457F | 0.014 |
| Tritanopia (no blue cones) | #00555D | 0.085 |
| Achromatopsia (no color) | #494949 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4880
#2A4880
oklch(40.9% 0.101 261.7)
- #614400
#614400
oklch(40.8% 0.084 80.9)
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 #2A4880, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.026
- Cobalt #1E488F ΔE 0.027
- Twilight Blue #0A437A ΔE 0.033
- Dusk Blue #26538D ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.054
- Blueberry #464196 ΔE 0.057
Use #2A4880 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.