#296D8B
Closest named color: Sea Blue (#047495). oklch(50.5% 0.082 230.7), rgb(41, 109, 139).
Aa
White text reads best on this color (5.74:1).
About this color
#296D8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.082 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.024 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #296D8B |
| RGB | rgb(41, 109, 139) |
| HSL | hsl(198, 54%, 35%) |
| OKLCH | oklch(50.5% 0.082 230.7) |
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 #296D8B | 5.74:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #296D8B | 3.65:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #296D8B text on white | 5.74:1 | AA | Lc 78.5 | Fine for body text |
| #296D8B text on black | 3.65:1 | AA large text | Lc -23.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D6
oklch(80.9% 0.04 230.3)
-
Step 400
400
#77A8C1
oklch(70.6% 0.064 231)
-
Step 500
500
#5293B2
oklch(63.2% 0.081 230.6)
-
Step 600
600
#327C9D
oklch(55.5% 0.088 230.7)
-
Step 700
700 (this color)
#296D8B
oklch(50.5% 0.082 230.7)
-
Step 800
800
#20566D
oklch(42.8% 0.068 229.5)
-
Step 900
900
#204759
oklch(37.8% 0.054 230.4)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#296D8B 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) | #5E6B8C | 0.057 |
| Deuteranopia (no green cones) | #50628B | 0.048 |
| Tritanopia (no blue cones) | #007577 | 0.050 |
| Achromatopsia (no color) | #666666 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #296D8B
#296D8B
oklch(50.5% 0.082 230.7)
- #8A5637
#8A5637
oklch(50.5% 0.082 50.8)
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 #296D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.024
- Ocean Blue #03719C ΔE 0.028
- Denim #3B638C ΔE 0.032
- Peacock Blue #016795 ΔE 0.033
- Muted Blue #3B719F ΔE 0.038
- Ocean #017B92 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.043
- Deep Aqua #08787F ΔE 0.045
Use #296D8B 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.