#2F497A
Closest named color: Light Navy (#155084). oklch(41% 0.089 262.1), rgb(47, 73, 122).
Aa
White text reads best on this color (8.91:1).
About this color
#2F497A is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.089 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.029 away. White text reads best on it, at 8.91:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #2F497A |
| RGB | rgb(47, 73, 122) |
| HSL | hsl(219, 44%, 33%) |
| OKLCH | oklch(41% 0.089 262.1) |
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 #2F497A | 8.91:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #2F497A | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #2F497A text on white | 8.91:1 | AAA | Lc 90.3 | Preferred for body text |
| #2F497A text on black | 2.35:1 | Fails | Lc -12.0 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAED
oklch(88.6% 0.029 261.5)
-
Step 300
300
#AFC1E3
oklch(80.9% 0.052 263.1)
-
Step 400
400
#84A1D5
oklch(70.7% 0.083 261.8)
-
Step 500
500
#6689CA
oklch(63.2% 0.106 262.1)
-
Step 600
600
#4D72B6
oklch(55.6% 0.114 261.7)
-
Step 700
700
#3E5F9D
oklch(49.1% 0.107 262)
-
Step 800
800 (this color)
#2F497A
oklch(41% 0.089 262.1)
-
Step 900
900
#2D4166
oklch(37.7% 0.069 262)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#2F497A 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) | #344D7C | 0.014 |
| Deuteranopia (no green cones) | #2A4679 | 0.011 |
| Tritanopia (no blue cones) | #00545B | 0.078 |
| Achromatopsia (no color) | #4A4A4A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F497A
#2F497A
oklch(41% 0.089 262.1)
- #614500
#614500
oklch(41% 0.085 82.1)
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 #2F497A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.029
- Twilight Blue #0A437A ΔE 0.038
- Dusk Blue #26538D ΔE 0.039
- Cobalt #1E488F ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.057
Use #2F497A 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.