#1A70B8
Closest named color: Mid Blue (#276AB3). oklch(53.4% 0.137 249.5), rgb(26, 112, 184).
Aa
White text reads best on this color (5.18:1).
About this color
#1A70B8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.137 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.017 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #1A70B8 |
| RGB | rgb(26, 112, 184) |
| HSL | hsl(207, 75%, 41%) |
| OKLCH | oklch(53.4% 0.137 249.5) |
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 #1A70B8 | 5.18:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #1A70B8 | 4.05:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #1A70B8 text on white | 5.18:1 | AA | Lc 75.2 | Fine for body text |
| #1A70B8 text on black | 4.05:1 | AA large text | Lc -26.5 | 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 600.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400
#6FA5DC
oklch(70.6% 0.099 249.8)
-
Step 500
500
#468ED2
oklch(63.1% 0.126 249.3)
-
Step 600
600 (this color)
#1A70B8
oklch(53.4% 0.137 249.5)
-
Step 700
700
#1463A5
oklch(49% 0.128 249.7)
-
Step 800
800
#155186
oklch(42.6% 0.106 249.9)
-
Step 900
900
#19446B
oklch(37.7% 0.082 249.1)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#1A70B8 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) | #4D74BB | 0.044 |
| Deuteranopia (no green cones) | #3467B7 | 0.027 |
| Tritanopia (no blue cones) | #00818B | 0.098 |
| Achromatopsia (no color) | #6D6D6D | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A70B8
#1A70B8
oklch(53.4% 0.137 249.5)
- #975F00
#975F00
oklch(53.5% 0.116 70)
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 #1A70B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.017
- French Blue #436BAD ΔE 0.033
- Windows Blue #3778BF ΔE 0.033
- Nice Blue #107AB0 ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.036
- Muted Blue #3B719F ΔE 0.044
- Ocean Blue #03719C ΔE 0.047
- Peacock Blue #016795 ΔE 0.060
Use #1A70B8 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.