#2A617F
Closest named color: Denim (#3B638C). oklch(46.9% 0.075 235.4), rgb(42, 97, 127).
Aa
White text reads best on this color (6.74:1).
About this color
#2A617F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.075 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.028 away. White text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #2A617F |
| RGB | rgb(42, 97, 127) |
| HSL | hsl(201, 50%, 33%) |
| OKLCH | oklch(46.9% 0.075 235.4) |
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 #2A617F | 6.74:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #2A617F | 3.11:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #2A617F text on white | 6.74:1 | AA | Lc 83.0 | Fine for body text |
| #2A617F text on black | 3.11:1 | AA large text | Lc -18.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D5
oklch(80.9% 0.036 234.9)
-
Step 400
400
#7DA7C0
oklch(70.7% 0.058 234.8)
-
Step 500
500
#5B91B1
oklch(63.2% 0.075 235.7)
-
Step 600
600
#3F7B9C
oklch(55.7% 0.081 234.8)
-
Step 700
700 (this color)
#2A617F
oklch(46.9% 0.075 235.4)
-
Step 800
800
#29546C
oklch(42.6% 0.062 235.3)
-
Step 900
900
#264658
oklch(37.8% 0.049 234.7)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#2A617F 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) | #536080 | 0.046 |
| Deuteranopia (no green cones) | #47587F | 0.039 |
| Tritanopia (no blue cones) | #00696B | 0.051 |
| Achromatopsia (no color) | #5B5B5B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A617F
#2A617F
oklch(46.9% 0.075 235.4)
- #7B4F2F
#7B4F2F
oklch(47% 0.075 55.7)
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 #2A617F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.028
- YInMn Blue #415A77 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.029
- Peacock Blue #016795 ΔE 0.037
- Petrol #005F6A ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.051
Use #2A617F 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.