#1E7FAC
Closest named color: Nice Blue (#107AB0). oklch(56.4% 0.109 234.5), rgb(30, 127, 172).
Aa
Black text reads best on this color (4.68:1).
About this color
#1E7FAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.109 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.019 away. Black text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Nice Blue (#107AB0) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #1E7FAC |
| RGB | rgb(30, 127, 172) |
| HSL | hsl(199, 70%, 40%) |
| OKLCH | oklch(56.4% 0.109 234.5) |
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 #1E7FAC | 4.48:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #1E7FAC | 4.68:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #1E7FAC text on white | 4.48:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #1E7FAC text on black | 4.68:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE9
oklch(88.6% 0.027 234)
-
Step 300
300
#A2C6DC
oklch(80.8% 0.05 235.1)
-
Step 400
400
#6EA9CB
oklch(70.7% 0.079 234.8)
-
Step 500
500
#4393BD
oklch(63.1% 0.1 234.4)
-
Step 600
600 (this color)
#1E7FAC
oklch(56.4% 0.109 234.5)
-
Step 700
700
#066991
oklch(49.1% 0.101 234.1)
-
Step 800
800
#0E5676
oklch(42.8% 0.084 234.1)
-
Step 900
900
#17475F
oklch(37.7% 0.065 234.2)
-
Step 950
950
#0F2A38
oklch(27.1% 0.042 233.9)
#1E7FAC 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) | #697EAE | 0.067 |
| Deuteranopia (no green cones) | #5671AB | 0.056 |
| Tritanopia (no blue cones) | #008B8E | 0.068 |
| Achromatopsia (no color) | #777777 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E7FAC
#1E7FAC
oklch(56.4% 0.109 234.5)
- #A66230
#A66230
oklch(56.3% 0.109 54.5)
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 #1E7FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Nice Blue #107AB0 ΔE 0.019
- Blue NCS #118AB2 ΔE 0.031
- Cerulean #457B9D ΔE 0.032
- Steel Blue #4682B4 ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.036
- Teal Blue #01889F ΔE 0.038
- Cool Blue #4984B8 ΔE 0.040
- Dull Blue #49759C ΔE 0.040
Use #1E7FAC 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.