#2F4D80
Closest named color: Light Navy (#155084). oklch(42.3% 0.093 260.4), rgb(47, 77, 128).
Aa
White text reads best on this color (8.41:1).
About this color
#2F4D80 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.093 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.022 away. White text reads best on it, at 8.41:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #2F4D80 |
| RGB | rgb(47, 77, 128) |
| HSL | hsl(218, 46%, 34%) |
| OKLCH | oklch(42.3% 0.093 260.4) |
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 #2F4D80 | 8.41:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #2F4D80 | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #2F4D80 text on white | 8.41:1 | AAA | Lc 88.8 | Fine for body text |
| #2F4D80 text on black | 2.49:1 | Fails | Lc -13.4 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
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
#ADC2E4
oklch(81% 0.053 260)
-
Step 400
400
#81A1D7
oklch(70.6% 0.087 260.7)
-
Step 500
500
#6289CC
oklch(63% 0.111 260.8)
-
Step 600
600
#4872B9
oklch(55.5% 0.121 260.3)
-
Step 700
700
#3A5F9F
oklch(49% 0.112 260.7)
-
Step 800
800 (this color)
#2F4D80
oklch(42.3% 0.093 260.4)
-
Step 900
900
#2B4168
oklch(37.7% 0.073 261.2)
-
Step 950
950
#19263D
oklch(26.9% 0.047 261.3)
#2F4D80 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) | #375182 | 0.016 |
| Deuteranopia (no green cones) | #2C4A7F | 0.010 |
| Tritanopia (no blue cones) | #005860 | 0.078 |
| Achromatopsia (no color) | #4D4D4D | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4D80
#2F4D80
oklch(42.3% 0.093 260.4)
- #664800
#664800
oklch(42.3% 0.087 81.3)
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 #2F4D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.022
- Dusk Blue #26538D ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.032
- Cobalt #1E488F ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.047
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.049
Use #2F4D80 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.