#2A5F85
Closest named color: Light Navy Blue (#2E5A88). oklch(46.7% 0.084 242.7), rgb(42, 95, 133).
Aa
White text reads best on this color (6.83:1).
About this color
#2A5F85 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.084 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.017 away. White text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #2A5F85 |
| RGB | rgb(42, 95, 133) |
| HSL | hsl(205, 52%, 34%) |
| OKLCH | oklch(46.7% 0.084 242.7) |
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 #2A5F85 | 6.83:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #2A5F85 | 3.07:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #2A5F85 text on white | 6.83:1 | AA | Lc 83.4 | Fine for body text |
| #2A5F85 text on black | 3.07:1 | AA large text | Lc -18.6 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ABC4D9
oklch(80.8% 0.04 243.6)
-
Step 400
400
#7DA6C6
oklch(70.7% 0.065 242.3)
-
Step 500
500
#5B8FB8
oklch(63% 0.083 243.4)
-
Step 600
600
#3F79A4
oklch(55.6% 0.091 242.8)
-
Step 700
700 (this color)
#2A5F85
oklch(46.7% 0.084 242.7)
-
Step 800
800
#2A5372
oklch(42.7% 0.069 243.3)
-
Step 900
900
#26455C
oklch(37.7% 0.054 242.2)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#2A5F85 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) | #4E6087 | 0.041 |
| Deuteranopia (no green cones) | #415784 | 0.031 |
| Tritanopia (no blue cones) | #00686C | 0.060 |
| Achromatopsia (no color) | #5B5B5B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5F85
#2A5F85
oklch(46.7% 0.084 242.7)
- #7B4F23
#7B4F23
oklch(46.8% 0.084 63.1)
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 #2A5F85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.017
- Denim #3B638C ΔE 0.024
- YInMn Blue #415A77 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.032
- Peacock Blue #016795 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.041
- Dusk Blue #26538D ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.044
Use #2A5F85 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.