#2A4972
Closest named color: Light Navy (#155084). oklch(40.2% 0.079 255.9), rgb(42, 73, 114).
Aa
White text reads best on this color (9.15:1).
About this color
#2A4972 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.079 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.034 away. White text reads best on it, at 9.15:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #2A4972 |
| RGB | rgb(42, 73, 114) |
| HSL | hsl(214, 46%, 31%) |
| OKLCH | oklch(40.2% 0.079 255.9) |
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 #2A4972 | 9.15:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #2A4972 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #2A4972 text on white | 9.15:1 | AAA | Lc 90.9 | Preferred for body text |
| #2A4972 text on black | 2.29:1 | Fails | Lc -11.4 | 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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CBDBEF
oklch(88.6% 0.033 254)
-
Step 300
300
#A8C3E7
oklch(80.9% 0.059 255.7)
-
Step 400
400
#79A3DB
oklch(70.7% 0.094 255.8)
-
Step 500
500
#568BD1
oklch(63.1% 0.12 255.9)
-
Step 600
600
#3A74BE
oklch(55.6% 0.131 255.6)
-
Step 700
700
#2C61A4
oklch(49.1% 0.122 255.6)
-
Step 800
800
#264F85
oklch(42.7% 0.101 256.2)
-
Step 900
900 (this color)
#2A4972
oklch(40.2% 0.079 255.9)
-
Step 950
950
#15273E
oklch(27% 0.049 255.2)
#2A4972 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) | #384C74 | 0.021 |
| Deuteranopia (no green cones) | #2E4571 | 0.012 |
| Tritanopia (no blue cones) | #005258 | 0.066 |
| Achromatopsia (no color) | #484848 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4972
#2A4972
oklch(40.2% 0.079 255.9)
- #60410A
#60410A
oklch(40.1% 0.079 75.7)
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 #2A4972, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.041
- Dusk Blue #26538D ΔE 0.049
- Cobalt #1E488F ΔE 0.050
- Charcoal #264653 ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.058
Use #2A4972 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.