#2A497C
Closest named color: Light Navy (#155084). oklch(40.8% 0.094 259.9), rgb(42, 73, 124).
Aa
White text reads best on this color (8.96:1).
About this color
#2A497C is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.094 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.025 away. White text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #2A497C |
| RGB | rgb(42, 73, 124) |
| HSL | hsl(217, 49%, 33%) |
| OKLCH | oklch(40.8% 0.094 259.9) |
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 #2A497C | 8.96:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #2A497C | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #2A497C text on white | 8.96:1 | AAA | Lc 90.4 | Preferred for body text |
| #2A497C text on black | 2.34:1 | Fails | Lc -11.9 | 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
#ACC2E5
oklch(80.9% 0.055 259.6)
-
Step 400
400
#80A2D7
oklch(70.7% 0.087 259.1)
-
Step 500
500
#608ACD
oklch(63.2% 0.112 259.4)
-
Step 600
600
#4772BA
oklch(55.5% 0.122 260.2)
-
Step 700
700
#3860A0
oklch(49.2% 0.113 259.4)
-
Step 800
800 (this color)
#2A497C
oklch(40.8% 0.094 259.9)
-
Step 900
900
#2A4168
oklch(37.6% 0.073 260.4)
-
Step 950
950
#19263D
oklch(26.9% 0.047 261.3)
#2A497C 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) | #324D7E | 0.016 |
| Deuteranopia (no green cones) | #27467B | 0.010 |
| Tritanopia (no blue cones) | #00555C | 0.079 |
| Achromatopsia (no color) | #494949 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A497C
#2A497C
oklch(40.8% 0.094 259.9)
- #624400
#624400
oklch(40.9% 0.085 80)
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 #2A497C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.033
- Cobalt #1E488F ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.058
Use #2A497C 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.