#1594EA
Closest named color: Dark Sky Blue (#448EE4). oklch(64.7% 0.162 246.4), rgb(21, 148, 234).
Aa
Black text reads best on this color (6.45:1).
About this color
#1594EA is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.162 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.025 away. Black text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #1594EA |
| RGB | rgb(21, 148, 234) |
| HSL | hsl(204, 84%, 50%) |
| OKLCH | oklch(64.7% 0.162 246.4) |
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 #1594EA | 3.25:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #1594EA | 6.45:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #1594EA text on white | 3.25:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #1594EA text on black | 6.45:1 | AA | Lc -42.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C2DDF5
oklch(88.5% 0.044 245.1)
-
Step 300
300
#97C6F1
oklch(80.9% 0.079 246.6)
-
Step 400
400
#57A7EB
oklch(70.7% 0.127 246.5)
-
Step 500
500 (this color)
#1594EA
oklch(64.7% 0.162 246.4)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#004472
oklch(37.6% 0.099 246.8)
-
Step 950
950
#022845
oklch(26.9% 0.068 246.8)
#1594EA 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) | #6A98EE | 0.061 |
| Deuteranopia (no green cones) | #4B86E8 | 0.042 |
| Tritanopia (no blue cones) | #00A9B4 | 0.114 |
| Achromatopsia (no color) | #8F8F8F | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1594EA
#1594EA
oklch(64.7% 0.162 246.4)
- #C77900
#C77900
oklch(64.5% 0.143 66.3)
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 #1594EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.025
- Chefchaouen Blue #4895EF ΔE 0.028
- Dodger Blue #1E90FF ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.053
- Water Blue #0E87CC ΔE 0.054
- Soft Blue #6488EA ΔE 0.057
- Clear Blue #247AFD ΔE 0.077
- Cool Blue #4984B8 ΔE 0.079
Use #1594EA 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.