#2A5A7E
Closest named color: Light Navy Blue (#2E5A88). oklch(45.1% 0.079 243.5), rgb(42, 90, 126).
Aa
White text reads best on this color (7.33:1).
About this color
#2A5A7E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.079 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.018 away. White text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #2A5A7E |
| RGB | rgb(42, 90, 126) |
| HSL | hsl(206, 50%, 33%) |
| OKLCH | oklch(45.1% 0.079 243.5) |
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 #2A5A7E | 7.33:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #2A5A7E | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #2A5A7E text on white | 7.33:1 | AAA | Lc 85.3 | Fine for body text |
| #2A5A7E text on black | 2.86:1 | Fails | Lc -16.7 | Dividers and decoration only |
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A8C5DD
oklch(81% 0.046 243.3)
-
Step 400
400
#78A6CC
oklch(70.6% 0.075 244)
-
Step 500
500
#5490BE
oklch(63.2% 0.094 243.2)
-
Step 600
600
#3679AB
oklch(55.6% 0.103 243.9)
-
Step 700
700
#286692
oklch(49.1% 0.095 243.1)
-
Step 800
800 (this color)
#2A5A7E
oklch(45.1% 0.079 243.5)
-
Step 900
900
#224560
oklch(37.7% 0.062 243.8)
-
Step 950
950
#152938
oklch(27.2% 0.038 242.4)
#2A5A7E 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) | #4A5B80 | 0.037 |
| Deuteranopia (no green cones) | #3F527D | 0.031 |
| Tritanopia (no blue cones) | #006366 | 0.060 |
| Achromatopsia (no color) | #565656 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5A7E
#2A5A7E
oklch(45.1% 0.079 243.5)
- #744B22
#744B22
oklch(45.1% 0.079 63.3)
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 #2A5A7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.018
- YInMn Blue #415A77 ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.033
- Dusk Blue #26538D ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.039
- Denim #3B638C ΔE 0.039
- Light Navy #155084 ΔE 0.040
- Dusk #4E5481 ΔE 0.046
Use #2A5A7E 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.