#28619B
Closest named color: Denim Blue (#3B5B92). oklch(48.4% 0.111 251.5), rgb(40, 97, 155).
Aa
White text reads best on this color (6.41:1).
About this color
#28619B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.111 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.024 away. White text reads best on it, at 6.41:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #28619B |
| RGB | rgb(40, 97, 155) |
| HSL | hsl(210, 59%, 38%) |
| OKLCH | oklch(48.4% 0.111 251.5) |
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 #28619B | 6.41:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #28619B | 3.27:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #28619B text on white | 6.41:1 | AA | Lc 81.6 | Fine for body text |
| #28619B text on black | 3.27:1 | AA large text | Lc -20.3 | 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
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C4E3
oklch(81% 0.053 251.1)
-
Step 400
400
#79A4D5
oklch(70.6% 0.086 252.2)
-
Step 500
500
#558DCA
oklch(63.1% 0.11 251.8)
-
Step 600
600
#3876B6
oklch(55.5% 0.119 251.4)
-
Step 700
700 (this color)
#28619B
oklch(48.4% 0.111 251.5)
-
Step 800
800
#24517F
oklch(42.7% 0.091 251.2)
-
Step 900
900
#234366
oklch(37.6% 0.071 252.1)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#28619B 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) | #46659D | 0.034 |
| Deuteranopia (no green cones) | #355A9A | 0.021 |
| Tritanopia (no blue cones) | #006F76 | 0.085 |
| Achromatopsia (no color) | #5F5F5F | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28619B
#28619B
oklch(48.4% 0.111 251.5)
- #835300
#835300
oklch(48.5% 0.104 71.2)
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 #28619B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.024
- Peacock Blue #016795 ΔE 0.026
- Denim #3B638C ΔE 0.031
- Dusky Blue #475F94 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- Mid Blue #276AB3 ΔE 0.042
- Dusk Blue #26538D ΔE 0.044
- Ocean Blue #03719C ΔE 0.047
Use #28619B 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.