#2A5993
Closest named color: Denim Blue (#3B5B92). oklch(46.1% 0.108 255), rgb(42, 89, 147).
Aa
White text reads best on this color (7.12:1).
About this color
#2A5993 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.108 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.019 away. White text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #2A5993 |
| RGB | rgb(42, 89, 147) |
| HSL | hsl(213, 56%, 37%) |
| OKLCH | oklch(46.1% 0.108 255) |
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 #2A5993 | 7.12:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #2A5993 | 2.94:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #2A5993 text on white | 7.12:1 | AAA | Lc 84.4 | Fine for body text |
| #2A5993 text on black | 2.94:1 | Fails | Lc -17.6 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CDDBED
oklch(88.6% 0.029 254.7)
-
Step 300
300
#AAC3E2
oklch(80.9% 0.052 253.9)
-
Step 400
400
#7DA3D4
oklch(70.6% 0.083 255.1)
-
Step 500
500
#5C8CC9
oklch(63.2% 0.106 255)
-
Step 600
600
#4175B6
oklch(55.7% 0.116 255)
-
Step 700
700 (this color)
#2A5993
oklch(46.1% 0.108 255)
-
Step 800
800
#2B507F
oklch(42.7% 0.089 255.3)
-
Step 900
900
#274366
oklch(37.8% 0.069 254.8)
-
Step 950
950
#17273C
oklch(27% 0.045 255.6)
#2A5993 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) | #3E5D95 | 0.025 |
| Deuteranopia (no green cones) | #2F5392 | 0.017 |
| Tritanopia (no blue cones) | #00666F | 0.083 |
| Achromatopsia (no color) | #585858 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5993
#2A5993
oklch(46.1% 0.108 255)
- #774F00
#774F00
oklch(46.1% 0.097 75.4)
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 #2A5993, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.019
- Dusk Blue #26538D ΔE 0.020
- Dusky Blue #475F94 ΔE 0.038
- Denim #3B638C ΔE 0.040
- Light Navy #155084 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.041
- Peacock Blue #016795 ΔE 0.042
Use #2A5993 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.