#2963AB
Closest named color: Mid Blue (#276AB3). oklch(49.9% 0.13 255.5), rgb(41, 99, 171).
Aa
White text reads best on this color (6.05:1).
About this color
#2963AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.130 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.022 away. White text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #2963AB |
| RGB | rgb(41, 99, 171) |
| HSL | hsl(213, 61%, 42%) |
| OKLCH | oklch(49.9% 0.13 255.5) |
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 #2963AB | 6.05:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #2963AB | 3.46:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #2963AB text on white | 6.05:1 | AA | Lc 79.9 | Fine for body text |
| #2963AB text on black | 3.46:1 | AA large text | Lc -21.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBF0
oklch(88.5% 0.034 253.7)
-
Step 300
300
#A6C3E9
oklch(80.9% 0.063 255.3)
-
Step 400
400
#76A3DF
oklch(70.7% 0.101 255.9)
-
Step 500
500
#518BD6
oklch(63.1% 0.129 255.6)
-
Step 600
600
#3473C3
oklch(55.5% 0.14 255.8)
-
Step 700
700 (this color)
#2963AB
oklch(49.9% 0.13 255.5)
-
Step 800
800
#214F88
oklch(42.7% 0.107 255.4)
-
Step 900
900
#21426D
oklch(37.7% 0.084 255.9)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#2963AB 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) | #4069AE | 0.029 |
| Deuteranopia (no green cones) | #2A5DAA | 0.017 |
| Tritanopia (no blue cones) | #00747E | 0.100 |
| Achromatopsia (no color) | #626262 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2963AB
#2963AB
oklch(49.9% 0.13 255.5)
- #855900
#855900
oklch(49.9% 0.105 75.6)
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 #2963AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.022
- French Blue #436BAD ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.044
- Peacock Blue #016795 ΔE 0.044
- Denim #3B638C ΔE 0.051
- Ocean Blue #03719C ΔE 0.053
- Muted Blue #3B719F ΔE 0.053
Use #2963AB 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.