#2B617C
Closest named color: YInMn Blue (#415A77). oklch(46.8% 0.072 233), rgb(43, 97, 124).
Aa
White text reads best on this color (6.76:1).
About this color
#2B617C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.072 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #2B617C |
| RGB | rgb(43, 97, 124) |
| HSL | hsl(200, 49%, 33%) |
| OKLCH | oklch(46.8% 0.072 233) |
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 #2B617C | 6.76:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #2B617C | 3.10:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #2B617C text on white | 6.76:1 | AA | Lc 83.1 | Fine for body text |
| #2B617C text on black | 3.10:1 | AA large text | Lc -18.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#ABC5D4
oklch(80.9% 0.035 233.2)
-
Step 400
400
#7EA7BE
oklch(70.7% 0.056 233.1)
-
Step 500
500
#5C91AE
oklch(63.1% 0.071 233.5)
-
Step 600
600
#407B99
oklch(55.6% 0.077 232.6)
-
Step 700
700 (this color)
#2B617C
oklch(46.8% 0.072 233)
-
Step 800
800
#2A556A
oklch(42.8% 0.059 231.6)
-
Step 900
900
#274656
oklch(37.7% 0.046 232.3)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#2B617C 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) | #54607D | 0.047 |
| Deuteranopia (no green cones) | #49587C | 0.040 |
| Tritanopia (no blue cones) | #00686A | 0.047 |
| Achromatopsia (no color) | #5B5B5B | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B617C
#2B617C
oklch(46.8% 0.072 233)
- #7A4F33
#7A4F33
oklch(46.9% 0.071 53.2)
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 #2B617C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Denim #3B638C ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- Petrol #005F6A ΔE 0.040
- Peacock Blue #016795 ΔE 0.042
- Dark Aqua #05696B ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.048
- Slate #516572 ΔE 0.048
Use #2B617C 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.