#2A487C
Closest named color: Light Navy (#155084). oklch(40.6% 0.095 260.7), rgb(42, 72, 124).
Aa
White text reads best on this color (9.06:1).
About this color
#2A487C is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.095 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.027 away. White text reads best on it, at 9.06:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #2A487C |
| RGB | rgb(42, 72, 124) |
| HSL | hsl(218, 49%, 33%) |
| OKLCH | oklch(40.6% 0.095 260.7) |
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 #2A487C | 9.06:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #2A487C | 2.31:1 | Fails | Lc 13.3 | Not readable |
| #2A487C text on white | 9.06:1 | AAA | Lc 90.6 | Preferred for body text |
| #2A487C text on black | 2.31:1 | Fails | Lc -11.7 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#ACC2E5
oklch(80.9% 0.055 259.6)
-
Step 400
400
#81A1D8
oklch(70.6% 0.089 261)
-
Step 500
500
#6189CE
oklch(63.1% 0.114 260.8)
-
Step 600
600
#4872BB
oklch(55.6% 0.123 260.8)
-
Step 700
700
#395FA1
oklch(49.1% 0.115 260.7)
-
Step 800
800 (this color)
#2A487C
oklch(40.6% 0.095 260.7)
-
Step 900
900
#2A4169
oklch(37.7% 0.075 260.9)
-
Step 950
950
#19263D
oklch(26.9% 0.047 261.3)
#2A487C 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) | #314D7E | 0.018 |
| Deuteranopia (no green cones) | #25457B | 0.011 |
| Tritanopia (no blue cones) | #00545C | 0.079 |
| Achromatopsia (no color) | #494949 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A487C
#2A487C
oklch(40.6% 0.095 260.7)
- #604300
#604300
oklch(40.5% 0.084 80.6)
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 #2A487C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.027
- Twilight Blue #0A437A ΔE 0.032
- Cobalt #1E488F ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.039
- Dusk Blue #26538D ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.057
Use #2A487C 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.