#2A4D80
Closest named color: Light Navy (#155084). oklch(42% 0.095 257.8), rgb(42, 77, 128).
Aa
White text reads best on this color (8.49:1).
About this color
#2A4D80 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.095 and its hue 258°. 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 8.49:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #2A4D80 |
| RGB | rgb(42, 77, 128) |
| HSL | hsl(216, 51%, 33%) |
| OKLCH | oklch(42% 0.095 257.8) |
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 #2A4D80 | 8.49:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #2A4D80 | 2.47:1 | Fails | Lc 15.0 | Not readable |
| #2A4D80 text on white | 8.49:1 | AAA | Lc 89.0 | Fine for body text |
| #2A4D80 text on black | 2.47:1 | Fails | Lc -13.2 | 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
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300
#ABC2E5
oklch(80.9% 0.056 258.7)
-
Step 400
400
#7EA2D8
oklch(70.6% 0.089 258.3)
-
Step 500
500
#5D8ACD
oklch(63% 0.113 258.1)
-
Step 600
600
#4373BA
oklch(55.6% 0.123 258.1)
-
Step 700
700
#3460A0
oklch(49% 0.114 257.8)
-
Step 800
800 (this color)
#2A4D80
oklch(42% 0.095 257.8)
-
Step 900
900
#284268
oklch(37.7% 0.073 257.8)
-
Step 950
950
#18273D
oklch(27.1% 0.046 257.8)
#2A4D80 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) | #365182 | 0.019 |
| Deuteranopia (no green cones) | #2A497F | 0.012 |
| Tritanopia (no blue cones) | #005960 | 0.078 |
| Achromatopsia (no color) | #4D4D4D | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4D80
#2A4D80
oklch(42% 0.095 257.8)
- #674600
#674600
oklch(42% 0.088 78)
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 #2A4D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.017
- Dusk Blue #26538D ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.028
- Cobalt #1E488F ΔE 0.033
- Light Navy Blue #2E5A88 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.053
- Twilight #4E518B ΔE 0.053
Use #2A4D80 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.