#1455B3
Closest named color: Blue Blue (#2242C7). oklch(46.8% 0.163 258.9), rgb(20, 85, 179).
Aa
White text reads best on this color (7.04:1).
About this color
#1455B3 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.163 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.054 away. White text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #1455B3 |
| RGB | rgb(20, 85, 179) |
| HSL | hsl(215, 80%, 39%) |
| OKLCH | oklch(46.8% 0.163 258.9) |
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 #1455B3 | 7.04:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #1455B3 | 2.98:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #1455B3 text on white | 7.04:1 | AAA | Lc 83.8 | Fine for body text |
| #1455B3 text on black | 2.98:1 | Fails | Lc -18.2 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300
#A2C2F4
oklch(80.8% 0.079 259.2)
-
Step 400
400
#6FA1EE
oklch(70.6% 0.126 258.8)
-
Step 500
500
#4887E9
oklch(63% 0.162 259)
-
Step 600
600
#2A6FD7
oklch(55.6% 0.174 258.9)
-
Step 700
700 (this color)
#1455B3
oklch(46.8% 0.163 258.9)
-
Step 800
800
#1A4C97
oklch(42.8% 0.134 258.8)
-
Step 900
900
#1B4078
oklch(37.7% 0.105 258.7)
-
Step 950
950
#112646
oklch(27% 0.066 258.6)
#1455B3 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) | #0E60B6 | 0.029 |
| Deuteranopia (no green cones) | #0052B1 | 0.012 |
| Tritanopia (no blue cones) | #006C7C | 0.122 |
| Achromatopsia (no color) | #595959 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1455B3
#1455B3
oklch(46.8% 0.163 258.9)
- #775200
#775200
oklch(46.7% 0.097 78.6)
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 #1455B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.054
- Mid Blue #276AB3 ΔE 0.061
- Dusk Blue #26538D ΔE 0.061
- Cobalt #1E488F ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.066
- Sapphire #2138AB ΔE 0.070
- Light Navy Blue #2E5A88 ΔE 0.075
- Peacock Blue #016795 ΔE 0.076
Use #1455B3 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.