#2A6699
Closest named color: Peacock Blue (#016795). oklch(49.6% 0.103 247.4), rgb(42, 102, 153).
Aa
White text reads best on this color (6.07:1).
About this color
#2A6699 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.103 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.020 away. White text reads best on it, at 6.07:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.45:1 |
| White text | 6.07:1 |
Values
| HEX | #2A6699 |
| RGB | rgb(42, 102, 153) |
| HSL | hsl(208, 57%, 38%) |
| OKLCH | oklch(49.6% 0.103 247.4) |
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 #2A6699 | 6.07:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #2A6699 | 3.45:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #2A6699 text on white | 6.07:1 | AA | Lc 80.0 | Fine for body text |
| #2A6699 text on black | 3.45:1 | AA large text | Lc -21.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A8C4E0
oklch(80.9% 0.05 248.4)
-
Step 400
400
#78A5D0
oklch(70.6% 0.08 247.9)
-
Step 500
500
#548FC4
oklch(63.2% 0.101 247.2)
-
Step 600
600
#3778B0
oklch(55.6% 0.11 247.3)
-
Step 700
700 (this color)
#2A6699
oklch(49.6% 0.103 247.4)
-
Step 800
800
#23527B
oklch(42.6% 0.085 247.7)
-
Step 900
900
#224463
oklch(37.6% 0.067 248)
-
Step 950
950
#15283A
oklch(27% 0.042 248.4)
#2A6699 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) | #4F689B | 0.039 |
| Deuteranopia (no green cones) | #3F5E98 | 0.028 |
| Tritanopia (no blue cones) | #007278 | 0.076 |
| Achromatopsia (no color) | #626262 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A6699
#2A6699
oklch(49.6% 0.103 247.4)
- #885510
#885510
oklch(49.6% 0.103 67.5)
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 #2A6699, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.020
- Denim #3B638C ΔE 0.024
- Dusky Blue #475F94 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.033
- Ocean Blue #03719C ΔE 0.033
- Muted Blue #3B719F ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.041
Use #2A6699 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.