#033796
Closest named color: Sapphire (#2138AB). oklch(37.6% 0.164 261.6), rgb(3, 55, 150).
Aa
White text reads best on this color (10.54:1).
About this color
#033796 is a dark, vivid blue. In OKLCH its lightness is 38%, its chroma 0.164 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.041 away. White text reads best on it, at 10.54:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #033796 |
| RGB | rgb(3, 55, 150) |
| HSL | hsl(219, 96%, 30%) |
| OKLCH | oklch(37.6% 0.164 261.6) |
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 #033796 | 10.54:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #033796 | 1.99:1 | Fails | Lc 10.4 | Not readable |
| #033796 text on white | 10.54:1 | AAA | Lc 93.6 | Preferred for body text |
| #033796 text on black | 1.99:1 | Fails | Lc -8.9 | Not readable |
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 900.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#6A9EFF
oklch(70.6% 0.153 261.9)
-
Step 500
500
#4082FF
oklch(63.1% 0.198 261.6)
-
Step 600
600
#0662FF
oklch(55.7% 0.245 261.6)
-
Step 700
700
#0051DA
oklch(49.1% 0.22 261.5)
-
Step 800
800
#0042B5
oklch(42.8% 0.191 261.5)
-
Step 900
900 (this color)
#033796
oklch(37.6% 0.164 261.6)
-
Step 950
950
#062258
oklch(27.1% 0.103 261.6)
#033796 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) | #004699 | 0.039 |
| Deuteranopia (no green cones) | #003994 | 0.006 |
| Tritanopia (no blue cones) | #005061 | 0.124 |
| Achromatopsia (no color) | #3F3F3F | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033796
#033796
oklch(37.6% 0.164 261.6)
- #563C00
#563C00
oklch(37.6% 0.078 81.1)
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 #033796, closest first.
No curated palette has a color within ΔE 0.04 of #033796.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.041
- Cobalt #1E488F ΔE 0.053
- Twilight Blue #0A437A ΔE 0.059
- Royal #0C1793 ΔE 0.063
- Cobalt Blue #030AA7 ΔE 0.073
- Marine Blue #01386A ΔE 0.075
- Ultramarine #2000B1 ΔE 0.077
- Indigo Blue #3A18B1 ΔE 0.078
Use #033796 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.