#1147A9
Closest named color: Sapphire (#2138AB). oklch(42.9% 0.167 261.3), rgb(17, 71, 169).
Aa
White text reads best on this color (8.40:1).
About this color
#1147A9 is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.167 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.034 away. White text reads best on it, at 8.40:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #1147A9 |
| RGB | rgb(17, 71, 169) |
| HSL | hsl(219, 82%, 36%) |
| OKLCH | oklch(42.9% 0.167 261.3) |
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 #1147A9 | 8.40:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #1147A9 | 2.49:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #1147A9 text on white | 8.40:1 | AAA | Lc 88.3 | Fine for body text |
| #1147A9 text on black | 2.49:1 | Fails | Lc -13.9 | 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 800.
-
Step 50
50
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C5DAFE
oklch(88.4% 0.055 261.2)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699FFF
oklch(70.8% 0.152 261.1)
-
Step 500
500
#3F82FF
oklch(63.1% 0.198 261.5)
-
Step 600
600
#1C67EF
oklch(55.5% 0.217 261.3)
-
Step 700
700
#0F55D0
oklch(49.1% 0.201 261.3)
-
Step 800
800 (this color)
#1147A9
oklch(42.9% 0.167 261.3)
-
Step 900
900
#153C85
oklch(37.6% 0.131 261.5)
-
Step 950
950
#0D244E
oklch(27% 0.083 261.2)
#1147A9 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) | #0054AC | 0.033 |
| Deuteranopia (no green cones) | #0047A7 | 0.008 |
| Tritanopia (no blue cones) | #006071 | 0.127 |
| Achromatopsia (no color) | #4D4D4D | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1147A9
#1147A9
oklch(42.9% 0.167 261.3)
- #684A00
#684A00
oklch(43% 0.089 81.9)
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 #1147A9, closest first.
No curated palette has a color within ΔE 0.04 of #1147A9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.034
- Cobalt #1E488F ΔE 0.043
- Blue Blue #2242C7 ΔE 0.050
- Dusk Blue #26538D ΔE 0.062
- Blueberry #464196 ΔE 0.062
- Light Navy #155084 ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.076
Use #1147A9 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.