#1554AE
Closest named color: Dusk Blue (#26538D). oklch(46.2% 0.157 258.6), rgb(21, 84, 174).
Aa
White text reads best on this color (7.21:1).
About this color
#1554AE is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.157 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.054 away. White text reads best on it, at 7.21:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #1554AE |
| RGB | rgb(21, 84, 174) |
| HSL | hsl(215, 78%, 38%) |
| OKLCH | oklch(46.2% 0.157 258.6) |
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 #1554AE | 7.21:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #1554AE | 2.91:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #1554AE text on white | 7.21:1 | AAA | Lc 84.4 | Fine for body text |
| #1554AE text on black | 2.91:1 | Fails | Lc -17.5 | 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
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A3C2F2
oklch(80.8% 0.076 259)
-
Step 400
400
#71A1EC
oklch(70.6% 0.122 259)
-
Step 500
500
#4B88E6
oklch(63.1% 0.156 258.8)
-
Step 600
600
#2C70D4
oklch(55.7% 0.169 258.5)
-
Step 700
700 (this color)
#1554AE
oklch(46.2% 0.157 258.6)
-
Step 800
800
#1C4C94
oklch(42.6% 0.129 258.7)
-
Step 900
900
#1D4076
oklch(37.6% 0.101 258.9)
-
Step 950
950
#122645
oklch(27% 0.064 258.9)
#1554AE 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) | #155EB1 | 0.027 |
| Deuteranopia (no green cones) | #0051AC | 0.013 |
| Tritanopia (no blue cones) | #006A79 | 0.119 |
| Achromatopsia (no color) | #575757 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1554AE
#1554AE
oklch(46.2% 0.157 258.6)
- #755100
#755100
oklch(46.2% 0.096 79)
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 #1554AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.054
- Cobalt #1E488F ΔE 0.057
- Blue Blue #2242C7 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.061
- Mid Blue #276AB3 ΔE 0.064
- Sapphire #2138AB ΔE 0.067
- Light Navy #155084 ΔE 0.069
- Light Navy Blue #2E5A88 ΔE 0.069
Use #1554AE 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.