#1154AB
Closest named color: Dusk Blue (#26538D). oklch(45.9% 0.154 257.6), rgb(17, 84, 171).
Aa
White text reads best on this color (7.29:1).
About this color
#1154AB is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.154 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.049 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.88:1 |
| White text | 7.29:1 |
Values
| HEX | #1154AB |
| RGB | rgb(17, 84, 171) |
| HSL | hsl(214, 82%, 37%) |
| OKLCH | oklch(45.9% 0.154 257.6) |
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 #1154AB | 7.29:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #1154AB | 2.88:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #1154AB text on white | 7.29:1 | AAA | Lc 84.7 | Fine for body text |
| #1154AB text on black | 2.88:1 | Fails | Lc -17.3 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C9DBF5
oklch(88.6% 0.041 257.5)
-
Step 300
300
#A3C3F1
oklch(81% 0.074 257.4)
-
Step 400
400
#70A2EA
oklch(70.7% 0.119 257.5)
-
Step 500
500
#4989E4
oklch(63.2% 0.153 257.5)
-
Step 600
600
#2A71D2
oklch(55.7% 0.165 257.5)
-
Step 700
700 (this color)
#1154AB
oklch(45.9% 0.154 257.6)
-
Step 800
800
#1A4D93
oklch(42.7% 0.127 257.5)
-
Step 900
900
#1C4175
oklch(37.8% 0.099 257.5)
-
Step 950
950
#112645
oklch(27% 0.064 258.1)
#1154AB 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) | #1B5EAE | 0.029 |
| Deuteranopia (no green cones) | #0050A9 | 0.014 |
| Tritanopia (no blue cones) | #006977 | 0.116 |
| Achromatopsia (no color) | #565656 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1154AB
#1154AB
oklch(45.9% 0.154 257.6)
- #755000
#755000
oklch(46% 0.096 78)
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 #1154AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.049
- Cobalt #1E488F ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.059
- Blue Blue #2242C7 ΔE 0.062
- Light Navy #155084 ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.065
- Mid Blue #276AB3 ΔE 0.065
- Sapphire #2138AB ΔE 0.067
Use #1154AB 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.