#1C679C
Closest named color: Peacock Blue (#016795). oklch(49.6% 0.11 244.7), rgb(28, 103, 156).
Aa
White text reads best on this color (6.05:1).
About this color
#1C679C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.110 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.016 away. White text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #1C679C |
| RGB | rgb(28, 103, 156) |
| HSL | hsl(205, 70%, 36%) |
| OKLCH | oklch(49.6% 0.11 244.7) |
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 #1C679C | 6.05:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #1C679C | 3.46:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #1C679C text on white | 6.05:1 | AA | Lc 79.8 | Fine for body text |
| #1C679C text on black | 3.46:1 | AA large text | Lc -22.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CADCEC
oklch(88.6% 0.029 244.9)
-
Step 300
300
#A4C5E1
oklch(80.9% 0.053 244.1)
-
Step 400
400
#72A7D3
oklch(70.8% 0.086 244.5)
-
Step 500
500
#4A90C7
oklch(63.2% 0.109 244.5)
-
Step 600
600
#2979B3
oklch(55.6% 0.118 244.5)
-
Step 700
700 (this color)
#1C679C
oklch(49.6% 0.11 244.7)
-
Step 800
800
#19537D
oklch(42.7% 0.091 244.6)
-
Step 900
900
#1C4565
oklch(37.7% 0.072 245)
-
Step 950
950
#12293B
oklch(27.2% 0.044 244.1)
#1C679C 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) | #4E699E | 0.047 |
| Deuteranopia (no green cones) | #3C5D9B | 0.035 |
| Tritanopia (no blue cones) | #00747A | 0.077 |
| Achromatopsia (no color) | #636363 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C679C
#1C679C
oklch(49.6% 0.11 244.7)
- #8C5203
#8C5203
oklch(49.5% 0.11 64.5)
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 #1C679C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.016
- Ocean Blue #03719C ΔE 0.030
- Denim #3B638C ΔE 0.032
- Mid Blue #276AB3 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.040
- Muted Blue #3B719F ΔE 0.041
- Sea Blue #047495 ΔE 0.043
Use #1C679C 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.