#2A487F
Closest named color: Light Navy (#155084). oklch(40.8% 0.099 261.5), rgb(42, 72, 127).
Aa
White text reads best on this color (9.00:1).
About this color
#2A487F is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.099 and its hue 261°. 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 9.00:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #2A487F |
| RGB | rgb(42, 72, 127) |
| HSL | hsl(219, 50%, 33%) |
| OKLCH | oklch(40.8% 0.099 261.5) |
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 #2A487F | 9.00:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #2A487F | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #2A487F text on white | 9.00:1 | AAA | Lc 90.5 | Preferred for body text |
| #2A487F text on black | 2.33:1 | Fails | Lc -11.8 | 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
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#ACC2E7
oklch(81% 0.058 260.8)
-
Step 400
400
#80A1DB
oklch(70.7% 0.093 261.4)
-
Step 500
500
#6089D1
oklch(63.2% 0.118 261.1)
-
Step 600
600
#4771BE
oklch(55.6% 0.129 261.5)
-
Step 700
700
#385EA4
oklch(49% 0.121 261.5)
-
Step 800
800 (this color)
#2A487F
oklch(40.8% 0.099 261.5)
-
Step 900
900
#2A416A
oklch(37.7% 0.076 261.3)
-
Step 950
950
#19263E
oklch(27% 0.049 262)
#2A487F 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) | #2F4D81 | 0.017 |
| Deuteranopia (no green cones) | #22457E | 0.013 |
| Tritanopia (no blue cones) | #00555D | 0.083 |
| Achromatopsia (no color) | #494949 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A487F
#2A487F
oklch(40.8% 0.099 261.5)
- #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 #2A487F, 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 0.028
- Twilight Blue #0A437A ΔE 0.032
- Dusk Blue #26538D ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.054
- Blueberry #464196 ΔE 0.058
Use #2A487F 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.